./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:31:35,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:31:35,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-12 02:31:35,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:31:35,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:31:35,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:31:35,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:31:35,875 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:31:35,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:31:35,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:31:35,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:31:35,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:31:35,879 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:31:35,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:31:35,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:31:35,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:31:35,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:31:35,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:31:35,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:31:35,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:31:35,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:31:35,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:31:35,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:31:35,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:31:35,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:31:35,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:31:35,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:31:35,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:31:35,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:31:35,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:31:35,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:31:35,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:31:35,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:31:35,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:31:35,893 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:31:35,894 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:31:35,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:31:35,894 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:31:35,895 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 [2023-11-12 02:31:36,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:31:36,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:31:36,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:31:36,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:31:36,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:31:36,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-12 02:31:39,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:31:41,298 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:31:41,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-12 02:31:41,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/data/dc52dd3e4/f84b0cd2c54543e58d2709b49c8e1159/FLAG80eb70a0d [2023-11-12 02:31:41,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/data/dc52dd3e4/f84b0cd2c54543e58d2709b49c8e1159 [2023-11-12 02:31:41,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:31:41,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:31:41,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:31:41,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:31:41,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:31:41,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:41" (1/1) ... [2023-11-12 02:31:41,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9595fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:31:41, skipping insertion in model container [2023-11-12 02:31:41,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:31:41" (1/1) ... [2023-11-12 02:31:42,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:10,452 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-12 02:32:10,453 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-12 02:32:10,455 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-12 02:32:10,456 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-12 02:32:10,458 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-12 02:32:10,460 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-12 02:32:10,461 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-12 02:32:10,463 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-12 02:32:10,464 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-12 02:32:10,528 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-12 02:32:10,743 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-12 02:32:11,405 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-12 02:32:11,796 ERROR L324 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2023-11-12 02:32:11,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21f3a433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:11, skipping insertion in model container [2023-11-12 02:32:11,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:11,798 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:32:11,800 INFO L158 Benchmark]: Toolchain (without parser) took 30274.36ms. Allocated memory was 180.4MB in the beginning and 283.1MB in the end (delta: 102.8MB). Free memory was 78.4MB in the beginning and 98.9MB in the end (delta: -20.5MB). Peak memory consumption was 178.4MB. Max. memory is 16.1GB. [2023-11-12 02:32:11,801 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:11,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 30271.41ms. Allocated memory was 180.4MB in the beginning and 283.1MB in the end (delta: 102.8MB). Free memory was 78.4MB in the beginning and 98.9MB in the end (delta: -20.5MB). Peak memory consumption was 178.4MB. Max. memory is 16.1GB. [2023-11-12 02:32:11,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 30271.41ms. Allocated memory was 180.4MB in the beginning and 283.1MB in the end (delta: 102.8MB). Free memory was 78.4MB in the beginning and 98.9MB in the end (delta: -20.5MB). Peak memory consumption was 178.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36147]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:14,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:14,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-12 02:32:14,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:14,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:14,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-12 02:32:14,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:14,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:14,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:14,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:14,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:14,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:14,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:14,474 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:14,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:14,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:14,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:14,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:14,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:14,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:14,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:32:14,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:32:14,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:32:14,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:32:14,480 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:32:14,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:14,481 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:14,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:14,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:14,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:14,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:14,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:14,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:14,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:14,486 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:32:14,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:32:14,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:14,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:14,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:14,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:14,489 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:32:14,489 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:14,489 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37cffa36d12f99fa5b0b0171dcb8704e4f919336fbfc801054ad86fe38d73e34 [2023-11-12 02:32:14,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:14,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:14,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:14,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:14,951 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:14,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-12 02:32:18,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:20,271 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:20,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/sv-benchmarks/c/goblint-coreutils/instrumented_ptx_comb.i [2023-11-12 02:32:20,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/data/c588048bd/019ed42d91fd44668a98e1d8678a587c/FLAG14c1e409d [2023-11-12 02:32:20,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39cfd90d-25c7-4e3c-a64f-e9da343d17e7/bin/uautomizer-verify-uTZkv6EMXl/data/c588048bd/019ed42d91fd44668a98e1d8678a587c [2023-11-12 02:32:20,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:20,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:20,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:20,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:20,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:20,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:20" (1/1) ... [2023-11-12 02:32:20,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e42852f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:20, skipping insertion in model container [2023-11-12 02:32:20,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:20" (1/1) ... [2023-11-12 02:32:21,421 INFO L177 MainTranslator]: Built tables and reachable declarations